Submission #5018439
Source Code Expand
#include<bits/stdc++.h> #define fi first #define se second #define mp make_pair #define pb push_back #define fin(x) freopen(x,"r",stdin) #define fout(x) freopen(x,"w",stdout) #define mem(a,b) memset(a,b,sizeof(a)) using namespace std; typedef long long ll; typedef pair<int,int> pii; const ll INF=0x3f3f3f3f3f3f3f3f; const ll inf=0xc0c0c0c0c0c0c0c0; const double pi=acos(-1); ll N,A; const int EPS=50; ll qpow(ll b,ll p) { ll res=1; while(p) { if(p&1)res*=b; b*=b; p>>=1; } return res; } ll s2(ll x,ll K) { return A*K+x*K+(N-1)/qpow(x,K)+1; } ll solve(int K) { ll low=1,high=N; if(K!=1) { high=ceil(pow(N,1.0/K))+1; // high=0; // while(qpow(high,K)<N)high++; } while(low+EPS<high) { // cout<<low<<"EF"<<high<<endl; ll l,r; l=(low*2+high)/3; r=(low+high*2)/3; ll res1,res2; res1=s2(l,K); res2=s2(r,K); if(res1>res2)low=l; else high=r; } ll m=INF; // puts("EEEEEEE"); for(int x=low;x<=high;x++) { m=min(m,s2(x,K)); // cout<<x<<"E"<<K<<"U"<<m<<endl; } return m; } ll divi(ll low,ll high) { while(low+EPS<high) { // cout<<low<<"E"<<high<<endl; ll l,r; l=(low*2+high)/3; r=(low+high*2)/3; ll res1=solve(l); // puts("DDDDD"); ll res2=solve(r); if(res1>res2)low=l; else high=r; // cout<<"PPPP\n"; } ll m=INF; for(ll x=low;x<=high;x++) m=min(m,solve(x)); return m; } int main() { scanf("%lld%lld",&N,&A); printf("%lld\n",min(divi(1,60),N)); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | vjudge4 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1428 Byte |
Status | RE |
Exec Time | 103 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:85:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&N,&A); ^
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | 0 / 500 | ||||||||||||||
Status |
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 1 ms | 256 KB |
01-02.txt | AC | 1 ms | 256 KB |
01-03.txt | AC | 1 ms | 256 KB |
01-04.txt | WA | 1 ms | 256 KB |
01-05.txt | AC | 1 ms | 256 KB |
01-06.txt | AC | 1 ms | 256 KB |
01-07.txt | AC | 1 ms | 256 KB |
01-08.txt | AC | 1 ms | 256 KB |
01-09.txt | AC | 1 ms | 256 KB |
01-10.txt | AC | 1 ms | 256 KB |
01-11.txt | AC | 1 ms | 256 KB |
01-12.txt | AC | 1 ms | 256 KB |
01-13.txt | AC | 1 ms | 256 KB |
01-14.txt | AC | 1 ms | 256 KB |
01-15.txt | AC | 1 ms | 256 KB |
01-16.txt | AC | 1 ms | 256 KB |
01-17.txt | AC | 1 ms | 256 KB |
01-18.txt | AC | 1 ms | 256 KB |
01-19.txt | AC | 1 ms | 256 KB |
01-20.txt | AC | 1 ms | 256 KB |
01-21.txt | AC | 1 ms | 256 KB |
01-22.txt | AC | 1 ms | 256 KB |
01-23.txt | AC | 1 ms | 256 KB |
01-24.txt | AC | 1 ms | 256 KB |
01-25.txt | AC | 1 ms | 256 KB |
01-26.txt | AC | 1 ms | 256 KB |
02-01.txt | AC | 1 ms | 256 KB |
02-02.txt | RE | 101 ms | 256 KB |
02-03.txt | RE | 101 ms | 256 KB |
02-04.txt | RE | 101 ms | 256 KB |
02-05.txt | RE | 102 ms | 256 KB |
02-06.txt | RE | 102 ms | 256 KB |
02-07.txt | RE | 102 ms | 256 KB |
02-08.txt | RE | 100 ms | 256 KB |
02-09.txt | RE | 101 ms | 256 KB |
02-10.txt | RE | 103 ms | 256 KB |
02-11.txt | RE | 101 ms | 256 KB |
02-12.txt | RE | 102 ms | 256 KB |
02-13.txt | RE | 101 ms | 256 KB |
02-14.txt | RE | 101 ms | 256 KB |
02-15.txt | RE | 101 ms | 256 KB |
02-16.txt | RE | 102 ms | 256 KB |
02-17.txt | RE | 101 ms | 256 KB |
02-18.txt | RE | 101 ms | 256 KB |
02-19.txt | RE | 102 ms | 256 KB |
02-20.txt | RE | 101 ms | 256 KB |
02-21.txt | RE | 101 ms | 256 KB |
02-22.txt | RE | 100 ms | 256 KB |
02-23.txt | RE | 101 ms | 256 KB |
02-24.txt | RE | 101 ms | 256 KB |
02-25.txt | AC | 1 ms | 256 KB |
02-26.txt | RE | 102 ms | 256 KB |
02-27.txt | RE | 101 ms | 256 KB |
02-28.txt | RE | 102 ms | 256 KB |
02-29.txt | RE | 102 ms | 256 KB |
02-30.txt | RE | 103 ms | 256 KB |
02-31.txt | RE | 103 ms | 256 KB |
02-32.txt | RE | 102 ms | 256 KB |
02-33.txt | RE | 103 ms | 256 KB |
02-34.txt | RE | 100 ms | 256 KB |
02-35.txt | RE | 102 ms | 256 KB |
02-36.txt | RE | 101 ms | 256 KB |
02-37.txt | RE | 102 ms | 256 KB |
02-38.txt | RE | 102 ms | 256 KB |
02-39.txt | RE | 102 ms | 256 KB |
02-40.txt | RE | 102 ms | 256 KB |
sample-01.txt | AC | 1 ms | 256 KB |
sample-02.txt | RE | 102 ms | 256 KB |
sample-03.txt | AC | 1 ms | 256 KB |